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ICL3224E_06 PDF预览

ICL3224E_06

更新时间: 2022-04-23 23:00:11
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
20页 388K
描述
+/-15kV ESD Protected, +3V to +5.5V, 1Microamp, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown

ICL3224E_06 数据手册

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ICL3224E, ICL3226E, ICL3244E  
®
Data Sheet  
February 27, 2006  
FN4899.6  
+/-15kV ESD Protected, +3V to +5.5V,  
1Microamp, 250kbps, RS-232  
Transceivers with Enhanced Automatic  
Powerdown  
Features  
Pb-Free Plus Anneal Available (RoHS Compliant)  
• ESD Protection for RS-232 I/O Pins to ±15kV (IEC61000)  
• Manual and Enhanced Automatic Powerdown Features  
The Intersil ICL32XXE devices are 3.0V to 5.5V powered  
RS-232 transmitters/receivers which meet ElA/TIA-232 and  
• Drop in Replacements for MAX3224E, MAX3226E,  
MAX3244E  
V.28/V.24 specifications, even at V  
= 3.0V. Additionally,  
CC  
they provide ±15kV ESD protection (IEC61000-4-2 Air Gap  
and Human Body Model) on transmitter outputs and receiver  
inputs (RS-232 pins). Targeted applications are PDAs,  
Palmtops, and notebook and laptop computers where the  
low operational, and even lower standby, power consumption  
is critical. Efficient on-chip charge pumps, coupled with  
manual and enhanced automatic powerdown functions,  
reduce the standby supply current to a 1µA trickle. Small  
footprint packaging, and the use of small, low value  
capacitors ensure board space savings as well. Data rates  
greater than 250kbps are guaranteed at worst case load  
conditions. This family is fully compatible with 3.3V only  
systems, mixed 3.3V and 5.0V systems, and 5.0V only  
systems.  
• Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V  
• RS-232 Compatible with V  
• Latch-Up Free  
= 2.7V  
CC  
• On-Chip Voltage Converters Require Only Four External  
0.1µF Capacitors  
• Guaranteed Mouse Driveability (ICL3244E)  
• “Ready to Transmit” Indicator Output (ICL3224E/26E)  
• Receiver Hysteresis For Improved Noise Immunity  
• Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps  
• Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/µs  
• Wide Power Supply Range. . . . . . . . Single +3V to +5.5V  
• Low Supply Current in Powerdown State. . . . . . . . . . .1µA  
The ICL3244E is a 3 driver, 5 receiver device that provides a  
complete serial port suitable for laptop or notebook  
computers. It also includes a noninverting always-active  
receiver for “wake-up” capability.  
Applications  
• Any System Requiring RS-232 Communication Ports  
- Battery Powered, Hand-Held, and Portable Equipment  
- Laptop Computers, Notebooks, Palmtops  
- Modems, Printers and other Peripherals  
- Digital Cameras  
These devices, feature an enhanced automatic  
powerdown function which powers down the on-chip power-  
supply and driver circuits. This occurs when all receiver and  
transmitter inputs detect no signal transitions for a period of  
30 seconds. These devices power back up, automatically,  
whenever they sense a transition on any transmitter or  
receiver input.  
- Cellular/Mobile Phones  
Related Literature  
Technical Brief TB363 “Guidelines for Handling and  
Processing Moisture Sensitive Surface Mount Devices  
(SMDs)”  
Table 1 summarizes the features of the devices represented  
by this data sheet, while Application Note AN9863  
summarizes the features of each device comprising the  
ICL32XXE 3V family.  
TABLE 1. SUMMARY OF FEATURES  
ENHANCED  
AUTOMATIC  
POWERDOWN  
FUNCTION?  
NO. OF  
MONITOR Rx.  
DATA  
RATE  
(kbps)  
MANUAL  
POWER-  
DOWN?  
PART  
NUMBER  
NO. OF NO.OF  
Rx. ENABLE  
FUNCTION?  
READY  
OUTPUT?  
Tx.  
Rx.  
(R  
)
OUTB  
ICL3224E  
ICL3226E  
ICL3244E  
2
2
0
250  
250  
250  
No  
No  
No  
Yes  
Yes  
No  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
1
1
0
1
3
5
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright Intersil Americas Inc. 2000, 2001, 2003-2006. All Rights Reserved.  
1
All other trademarks mentioned are the property of their respective owners.  

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